Home / 939,625.03-1,296,683.38-509,905.16

Finding the Fourth Proportional to 939,625.03, 1,296,683.38 and 509,905.16

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Solution

The fourth proportional to 939,625.03, 1,296,683.38 and 509,905.16 is: 703,669.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,625.03 : 1,296,683.38 = 509,905.16 : x
  2. Step 2: Convert to fraction form
    939,625.03/1,296,683.38 = 509,905.16/x
  3. Step 3: Cross multiply
    939,625.03x = 1,296,683.38 × 509,905.16
  4. Step 4: Simplify right side
    939,625.03x = 661,185,548,863.30
  5. Step 5: Solve for x
    x = 661,185,548,863.30/939,625.03
  6. Step 6: Final answer
    x = 703,669.58

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.